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CONCEPTUAL DESIGN IN SINGLE RUN WELL TESTING FOR MULTIPLE TEST ZONES

Mohd Soffian, Muhammad Syazrul (2011) CONCEPTUAL DESIGN IN SINGLE RUN WELL TESTING FOR MULTIPLE TEST ZONES. Universiti Teknologi Petronas. (Unpublished)

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Abstract

This project focuses singularly on the well testing during exploration and appraisal. Well testing is recognized by many operating oil and gas companies to be the most hazardous operation that they regularly operate. Planning a well testing operation is an extremely complex task and requires a lot of experience. Well testing costs are typically accounting for about one third of the cost of an exploration well, and in many cases, much more. The potential for a budget over run can. be high, unless there are timely and effective well test planning. Nowadays, there are a lot of well testing systems available. Each system claims to have their own advantages compare to others. Each system can be beneficial in different scenario. However, the trend in recent years shows that the systems are getting more complicated, which require more tools in the test string. This has made the test system not efficient in certain cases, especially in term of cost. The objectives of this project are to: a) Study the single run well testing in multiple test zones technology for as much understanding as possible; b) Propose a design of a more efficient well testing technique; c) Produce a guideline in applying single run well testing in multiple test zones which focuses more on cost factor. The project proposes a design which is more efficient than the latest design proposed at the Offshore Technology Conference held in Houston, Texas, USA, 2-5 May 2011. It is cost efficient as the total cost for well testing equipment is lower than the latest design. The proposed design is planned for permanent use inside the well. If it is a dry well, considering the high rig rate per day and the operating cost, the total cost of leaving the test string inside the well is still lower than the cost of using the latest design. Amount of the time savings depends on individual cases, but surely there is a lot time had been cut. Additional point for this design is it is not complicated to operate it, thus no need extra cost to hire expert to handle the equipments.

Item Type: Final Year Project
Academic Subject : Academic Department - Petroleum Geosciences - Petroleum Engineering - Reservoir characterization and well testing - Well test design and analysis
Subject: T Technology > T Technology (General)
Divisions: Geoscience and Petroleum Engineering
Depositing User: Users 2053 not found.
Date Deposited: 27 Sep 2013 12:18
Last Modified: 25 Jan 2017 09:41
URI: http://utpedia.utp.edu.my/id/eprint/7085

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